* {
  padding: 0;
  margin: 0;
}

.container {
  margin: 50px 0 0 200px;
}
.container h2 {
  margin-bottom: 20px;
}
.container .list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
}
.container .list li {
  position: relative;
  width: 150px;
  height: 150px;
  margin: 0 20px 20px 0;
}
.container .list li img {
  width: 100%;
  height: 100%;
}
.container .list li .close {
  display: none;
  cursor: pointer;
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: 50px;
  font-weight: 100;
  color: #dedede;
  transform: translate(-50%, -56%);
}
.container .list li .close:hover {
  color: #fff;
}
.container .list li.file {
  width: 150px;
  height: 150px;
  border: 1px dashed #ccc;
}
.container .list li.file input {
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.container .list li.file::before {
  position: absolute;
  top: 50%;
  left: 50%;
  content: "+";
  font-size: 50px;
  font-weight: 100;
  color: #dedede;
  transform: translate(-50%, -56%);
}
.container .list li.file:hover {
  border-color: #5192fe;
}
.container .list li:not(:last-child)::before {
  display: none;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}
.container .list li:not(:last-child):hover::before {
  display: block;
}
.container .list li:not(:last-child):hover .close {
  display: block;
}
